// Open initializes rethinkdb session
func (a *RethinkDbAdapter) Open(jsonconfig string) error {
if a.conn != nil {
return errors.New("adapter rethinkdb is already connected")
}
var err error
var config configType
if err = json.Unmarshal([]byte(jsonconfig), &config); err != nil {
return errors.New("adapter rethinkdb failed to parse config: " + err.Error())
}
var opts rdb.ConnectOpts
if config.Addresses == nil {
opts.Address = defaultHost
} else if host, ok := config.Addresses.(string); ok {
opts.Address = host
} else if hosts, ok := config.Addresses.([]string); ok {
opts.Addresses = hosts
} else {
return errors.New("adapter rethinkdb failed to parse config.Addresses")
}
if config.Database == "" {
a.dbName = defaultDatabase
} else {
a.dbName = config.Database
}
opts.Database = a.dbName
opts.AuthKey = config.AuthKey
opts.Timeout = time.Duration(config.Timeout) * time.Second
opts.WriteTimeout = time.Duration(config.WriteTimeout) * time.Second
opts.ReadTimeout = time.Duration(config.ReadTimeout) * time.Second
opts.MaxIdle = config.MaxIdle
opts.MaxOpen = config.MaxOpen
opts.DiscoverHosts = config.DiscoverHosts
opts.NodeRefreshInterval = time.Duration(config.NodeRefreshInterval) * time.Second
a.conn, err = rdb.Connect(opts)
return err
}
